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authorAndrei Karas <akaras@inbox.ru>2013-03-10 23:20:37 +0300
committerAndrei Karas <akaras@inbox.ru>2013-03-10 23:37:18 +0300
commitb38844700debb737dad4090774ad0426a0ebcc02 (patch)
tree83a0cfbda2e8a1ef8ac9854469e77d8774779981 /src/particleemitter.cpp
parent1c423d3301cc1a04c11a8605822699e13d473a8a (diff)
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Improve particle classes.
Diffstat (limited to 'src/particleemitter.cpp')
-rw-r--r--src/particleemitter.cpp45
1 files changed, 20 insertions, 25 deletions
diff --git a/src/particleemitter.cpp b/src/particleemitter.cpp
index 0aea1eaca..71eff9c3f 100644
--- a/src/particleemitter.cpp
+++ b/src/particleemitter.cpp
@@ -76,7 +76,8 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtr emitterNode,
{
if (xmlNameEqual(propertyNode, "property"))
{
- std::string name = XML::getProperty(propertyNode, "name", "");
+ const std::string name = XML::getProperty(
+ propertyNode, "name", "");
if (name == "position-x")
{
@@ -227,14 +228,13 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtr emitterNode,
{
const int delay = XML::getIntProperty(
frameNode, "delay", 0, 0, 100000);
- int offsetX = XML::getProperty(frameNode, "offsetX", 0);
- int offsetY = XML::getProperty(frameNode, "offsetY", 0);
+ const int offsetX = XML::getProperty(frameNode, "offsetX", 0)
+ - imageset->getWidth() / 2 + 16;
+ const int offsetY = XML::getProperty(frameNode, "offsetY", 0)
+ - imageset->getHeight() + 32;
const int rand = XML::getIntProperty(
frameNode, "rand", 100, 0, 100);
- offsetY -= imageset->getHeight() - 32;
- offsetX -= imageset->getWidth() / 2 - 16;
-
if (xmlNameEqual(frameNode, "frame"))
{
const int index = XML::getProperty(frameNode, "index", -1);
@@ -270,7 +270,6 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtr emitterNode,
while (end >= start)
{
Image *const img = imageset->get(start);
-
if (!img)
{
logger->log("No image at index %d", start);
@@ -279,7 +278,7 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtr emitterNode,
mParticleRotation.addFrame(img, delay,
offsetX, offsetY, rand);
- start++;
+ start ++;
}
}
else if (xmlNameEqual(frameNode, "end"))
@@ -309,16 +308,15 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtr emitterNode,
const int delay = XML::getIntProperty(
frameNode, "delay", 0, 0, 100000);
const int offsetX = XML::getProperty(frameNode, "offsetX", 0)
- - (imageset->getWidth() / 2 - 16);
+ - imageset->getWidth() / 2 + 16;
const int offsetY = XML::getProperty(frameNode, "offsetY", 0)
- - (imageset->getHeight() - 32);
+ - imageset->getHeight() + 32;
const int rand = XML::getIntProperty(
frameNode, "rand", 100, 0, 100);
if (xmlNameEqual(frameNode, "frame"))
{
const int index = XML::getProperty(frameNode, "index", -1);
-
if (index < 0)
{
logger->log1("No valid value for 'index'");
@@ -468,7 +466,6 @@ ParticleEmitter::~ParticleEmitter()
}
}
-
template <typename T> ParticleEmitterProp<T>
ParticleEmitter::readParticleEmitterProp(XmlNodePtr propertyNode, T def)
{
@@ -480,12 +477,13 @@ ParticleEmitter::readParticleEmitterProp(XmlNodePtr propertyNode, T def)
static_cast<double>(def))), static_cast<T>(XML::getFloatProperty(
propertyNode, "max", static_cast<double>(def))));
- std::string change = XML::getProperty(propertyNode, "change-func", "none");
+ const std::string change = XML::getProperty(
+ propertyNode, "change-func", "none");
T amplitude = static_cast<T>(XML::getFloatProperty(propertyNode,
"change-amplitude", 0.0));
- int period = XML::getProperty(propertyNode, "change-period", 0);
- int phase = XML::getProperty(propertyNode, "change-phase", 0);
+ const int period = XML::getProperty(propertyNode, "change-period", 0);
+ const int phase = XML::getProperty(propertyNode, "change-phase", 0);
if (change == "saw" || change == "sawtooth")
retval.setFunction(FUNC_SAW, amplitude, period, phase);
else if (change == "sine" || change == "sinewave")
@@ -498,14 +496,13 @@ ParticleEmitter::readParticleEmitterProp(XmlNodePtr propertyNode, T def)
return retval;
}
-
std::list<Particle *> ParticleEmitter::createParticles(const int tick)
{
std::list<Particle *> newParticles;
if (mOutputPauseLeft > 0)
{
- mOutputPauseLeft--;
+ mOutputPauseLeft --;
return newParticles;
}
mOutputPauseLeft = mOutputPause.value(tick);
@@ -519,7 +516,7 @@ std::list<Particle *> ParticleEmitter::createParticles(const int tick)
Particle *newParticle;
if (mParticleImage)
{
- std::string name = mParticleImage->getIdPath();
+ const std::string name = mParticleImage->getIdPath();
if (ImageParticle::imageParticleCountByName.find(name) ==
ImageParticle::imageParticleCountByName.end())
{
@@ -546,9 +543,9 @@ std::list<Particle *> ParticleEmitter::createParticles(const int tick)
newParticle = new Particle(mMap);
}
- Vector position(mParticlePosX.value(tick),
- mParticlePosY.value(tick),
- mParticlePosZ.value(tick));
+ const Vector position(mParticlePosX.value(tick),
+ mParticlePosY.value(tick),
+ mParticlePosZ.value(tick));
newParticle->moveTo(position);
const float angleH = mParticleAngleHorizontal.value(tick);
@@ -593,11 +590,9 @@ void ParticleEmitter::adjustSize(const int w, const int h)
return; // new dimensions are illegal
// calculate the old rectangle
- const int oldWidth = static_cast<int>(
- mParticlePosX.maxVal - mParticlePosX.minVal);
- const int oldHeight = static_cast<int>(
+ const int oldArea = static_cast<int>(
+ mParticlePosX.maxVal - mParticlePosX.minVal) * static_cast<int>(
mParticlePosX.maxVal - mParticlePosY.minVal);
- const int oldArea = oldWidth * oldHeight;
if (oldArea == 0)
{
//when the effect has no dimension it is